SSC CGL ::> A swimming pool has 3 drain pipes A, B and C. The pipes A and B, working simultaneously, can empty the pool in half the time taken by pipe C. Pipe A, working alone, takes half the time tak
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- Aanchal
- 25 Sep
- 8 Answers
8 Answers
8 Answers
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15 hrs.0Modal content
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15 hrs0Modal content
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Let pipe B's speed be x
Hence the speed of pipe A is 2x
Now the speed of pipe C is 1/2(x+2x)
Thus the speed of pipe C is 3x/2
Together 3 pipes empty the pool in 6hrs 40 mins i.e. 400 minutes
If we take the ratio of all 3 pipes, C: B: A =3x/2: x: 2x
C: B: A=3: 2: 4
now time taken by A alone would be ((3+2+4)*400)/4
i.e equal to 900 minutes=15 hours
Hence Pipe A will take 15 hours to empty the swimming pool alone.0Modal content
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B0Modal content
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15 hrs0Modal content
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150Modal content
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(a) 15 hours1Modal content
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A swimming pool has 3 drain pipes A, B and C. The pipes A and B, working simultaneously, can empty the pool in half the time taken by pipe C. Pipe A, working alone, takes half the time taken by pipe B. All together they take 6 hour 40 minutes to empty the pool. Time taken by pipe A to empty the pool is–
(a) 15 hours
(b) 10 hours
(c) 30 hours
(d) 7 hours
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- bhupendra
- ayushi
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- uma
- vimlesh
- bhupendra
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